detail view sample V23_013
| treatment method: | Einstufige PEG-Konservierung |
| Conservation Laboratory: | Natmus Kopenhagen |
|
|||||
| wet weight | 945 g | weight under water | 55.4 g | ||||
| weight after impregnation | no value | weight after drying | 579.8 g | ||||
| Umax | 469.0 % | degree of degradation | 1 | ||||
| residual density | 0.19 g/cm3 | volume (water displacement) | 889.6 cm3 | ||||
| density before conservation | 1.06 g/cm³ | final density | 0.64 g/cm³ | ||||
| impregnation | no value | proportion of impregnating agent | 69.6 % | ||||
| nail spacing | before | after | shrinkage |
| radial | 55.2 mm | 55.3 mm | -0.1 % |
| tangential | 48.5 mm | 50.2 mm | -3.5 % |
| longitudinal | 82.3 mm | 82.1 mm | 0.3 % |
| volume shrinkage: | -3.3 % | ||
| ASE-radial | 101.1 % | ASE-tangential | 125.1 % |
| ASE-longitudinal | 93.5 % | ASE volume | 111.7 % |
| volume (previous state) | 889.8 cm3 | volume (final state) | 911.5 cm3 | volume shrinkage | -2.4 % |
| surface (previous state) | 611.9 cm2 | surface (final state) | 609.4 cm2 | Surface change | -0.4 % |
| radial cut surface (previous state) | 7327.8 mm2 | radial cut surface (final state) | 7697.3 mm2 | radial shrinkage | -5.0 % |
| tangential cut surface (previous state) | 5315.4 mm2 | tangential cut surface (final state) | 5518.4 mm2 | tangential shrinkage | -3.8 % |
| longitudinal measurement (previous state) | 135.5 mm | average length change | -0.2 mm | longitudinal shrinkage | -0.4 % |
| ASE-radial | 115.7 % | ASE-tangential | 112.9 % |
| ASE-longitudinal | 117.7 % | ASE volume | 104.7 % |
|
|||||
| pretreatment | Keine weitere Vorbehandlung | |
| impregnation | impregnant: | PEG 2000, 10-40%-Lösung mit Leitungswasser |
| impregnation process: | Einlegen der Hölzer in 10%-PEG 2000-Lsg., steigern der Konzentration bis auf 40%, keine zusätzliche Erwärmung der Bäder - Tränkung bei Raumtemperatur | |
| drying | Gefriertrocknung in gekühlter Kammer (ca. -30°C) | |
| aftercare | Entfernen des PEG-Überschusses von der Oberfläche mit weichem Pinsel und Ethanol | |
| duration pretreatment | no value | duration impregnation | 149 weeks | duration drying | 20 weeks |
| total duration of conservation: | 169 weeks | ||||
» back